Home / 19,956,487.20-29,934,730.80-12,398,215.20

Finding the Fourth Proportional to 19,956,487.20, 29,934,730.80 and 12,398,215.20

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Solution

The fourth proportional to 19,956,487.20, 29,934,730.80 and 12,398,215.20 is: 18,597,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,487.20 : 29,934,730.80 = 12,398,215.20 : x
  2. Step 2: Convert to fraction form
    19,956,487.20/29,934,730.80 = 12,398,215.20/x
  3. Step 3: Cross multiply
    19,956,487.20x = 29,934,730.80 × 12,398,215.20
  4. Step 4: Simplify right side
    19,956,487.20x = 371,137,234,412,468.12
  5. Step 5: Solve for x
    x = 371,137,234,412,468.12/19,956,487.20
  6. Step 6: Final answer
    x = 18,597,322.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.